
Source:
http://en.wikipedia.org/wiki/Global_warming |
Global surface temperature increased 0.74 ± 0.18 °C (1.33
± 0.32 °F) during the last century.
Reason for temperature increase:
Green house gases are the main reason for increasing the temperature:
- Water vapor
- Carbon Dioxide
- Methane
- Nitrous Oxide
- Chlorofluorocarbons |